SHORT_SWORD,0,9901,9910,10000,98,BACK_TO_ZERO,0
SHORT_SWORD,1,9901,9910,20000,92,BACK_TO_ZERO,0
SHORT_SWORD,2,9901,9910,50000,87,BACK_TO_ZERO,0
SHORT_SWORD,3,9903,9911,100000,62,BACK_TO_ZERO,0
SHORT_SWORD,4,9903,9911,200000,57,BACK_TO_ZERO,0
SHORT_SWORD,5,9903,9911,500000,25,BACK_TO_ZERO,0
SHORT_SWORD,6,9902,9912,1000000,15,ALLITEM_DESTRUCT,0
SHORT_SWORD,7,9902,9912,1500000,10,ALLITEM_DESTRUCT,0
SHORT_SWORD,8,9902,9912,2000000,5,ALLITEM_DESTRUCT,0
SHORT_SWORD,9,9902,9912,3000000,1,ALLITEM_DESTRUCT,0
PANTS,0,9901,9910,10000,95,BACK_TO_ZERO,0
PANTS,1,9901,9910,16000,85,BACK_TO_ZERO,0
PANTS,2,9901,9910,40000,75,BACK_TO_ZERO,0
PANTS,3,9903,9911,80000,60,BACK_TO_ZERO,0
PANTS,4,9903,9911,160000,45,BACK_TO_ZERO,0
PANTS,5,9903,9911,400000,30,BACK_TO_ZERO,0
PANTS,6,9902,9912,800000,20,ALLITEM_DESTRUCT,0
PANTS,7,9902,9912,1200000,15,ALLITEM_DESTRUCT,0
PANTS,8,9902,9912,1600000,10,ALLITEM_DESTRUCT,0
PANTS,9,9902,9912,3000000,1,ALLITEM_DESTRUCT,0
This are codes from game, so as u can see weapon have chance 98,92,87,62,57,25,15,10,1% chance from 1-10, as for armores goes 95,85,75,60,45,30,20,15,10,1%.
So its easier to fortify armors than weapons.